/**
 * ***************************************************************************** Copyright (c) 2009
 * CollabNet. All rights reserved. This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/epl-v10.html
 *
 * <p>Contributors: CollabNet - initial API and implementation
 * ****************************************************************************
 */
package com.collabnet.subversion.merge.editors;

import java.io.InputStream;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;

public class ExternalFileStorage implements IStorage {

  private IFileStore fFileStore;
  private IPath fFullPath;

  public ExternalFileStorage(IFileStore fileStore) {
    fFileStore = fileStore;
  }

  public InputStream getContents() throws CoreException {
    return fFileStore.openInputStream(EFS.NONE, null);
  }

  public IPath getFullPath() {
    if (fFullPath == null) fFullPath = new Path(fFileStore.toURI().getPath());
    return fFullPath;
  }

  public String getName() {
    return fFileStore.getName();
  }

  public boolean isReadOnly() {
    return fFileStore.fetchInfo().getAttribute(EFS.ATTRIBUTE_READ_ONLY);
  }

  public Object getAdapter(Class adapter) {
    return null;
  }
}
